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Machine Screw

NSN: 5305-00-105-7078 | Model: 440391

An externally threaded fastener whose threaded portion is of one diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN Properties and Flags
NATO Stock Number
Thread Direction
Thread Length
0.260 inches
Fastener Length
Between 0.240 inches and 0.260 inches
Head Style
Flat countersunk
Head Diameter
Between 0.320 inches and 0.330 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.190 inches
Nonstandard Thread Pitch Diameter
+0.1644 to 0.1667 inches
Thready Qty Per Inch (tpi)
Countersink Angle
Between 98.0 degrees and 100.0 degrees
Screw Material
Iron alloy 660
Screw Material Specification
Ams 5735 assn standard single material response
Screw Surface Treatment
Screw Surface Treatment Specification
Ams 2410 assn standard single treatment response
Precious Material
Thread Series Designator

Inventory Check

The last inventory check on this NSN was done on 09/26/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 377
  • New: 9997

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5305-00-105-7078 Datasheet

Supply Class (FSC):
Cross Reference:
  • 440391
  • 440391
  • 440391
  • 440391
  • 440391
  • 440391WE
Cage Codes:
  • Bristol Industries (CAGE 27238)
  • Sps Technologies, Llc (CAGE 80539)
  • Necchi Spa (CAGE A1387)
  • United Technologies Corporation (CAGE 77445)
  • Turbo Power & Marine System Inc (CAGE 11449)
  • Wencor Group, Llc (CAGE 26647)
Schedule B & Trade:
  • Schedule B: 7318152000 (NAICS 332722)

    Bolts and bolts and their nuts or washers exported in the same shipment

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12110

    Iron and steel products, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


S - Item contains silver.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    096630 - Screws noi brass/bronze/copper

  • WCC:

    713 - Metal hardware

  • ACC:

    A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    Q - 70.0

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $38.76 to $64.60..
Does NSN 5305-00-105-7078 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force
What is the NIIN of NSN 5305-00-105-7078?
001057078 or 00-105-7078
Does NSN 5305-00-105-7078 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-00-105-7078?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Aug 09, 1968